30472328 has 16 divisors (see below), whose sum is σ = 57240000. Its totient is φ = 15208336.

The previous prime is 30472327. The next prime is 30472339. The reversal of 30472328 is 82327403.

It is a self number, because there is not a number n which added to its sum of digits gives 30472328.

It is not an unprimeable number, because it can be changed into a prime (30472327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613 + ... + 7971.

It is an arithmetic number, because the mean of its divisors is an integer number (3577500).

Almost surely, 2^30472328 is an apocalyptic number.

It is an amenable number.

30472328 is a deficient number, since it is larger than the sum of its proper divisors (26767672).

30472328 is a wasteful number, since it uses less digits than its factorization.

30472328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964 (or 6960 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 30472328 is about 5520.1746349187. The cubic root of 30472328 is about 312.3454698380.

The spelling of 30472328 in words is "thirty million, four hundred seventy-two thousand, three hundred twenty-eight".